MD Helicopters MD Explorer - Centrifugal Fuel Booster Pump Installation

CSP−900RMM−2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 410
Revision 32
28-00-00
(13). Remove bolt (7 or 21) and washer (8).
NOTE: Pump must be installed in same posi
tion as removed. Note direction stripe points
during removal.
(14). S/N 0008-0032 -Remove bolts (15) and
washers (8).
(15). S/N 0033-SUBS - Remove bolts (15
and 20) and washers (8).
Do not touch or damage red um
brella shaped check valve on top
of fuel booster pump. Fuel booster pump
failure can occur.
(16). S/N 0008-0032 -Remove fuel booster
pump (2) and packing (9). Discard
packing. Drain fuel into an applicable
container.
(17). S/N 0033-SUBS - Remove fuel booster
pump (2), support ring (18), laminated
shim (19), and packing (9). Discard
packing. Drain fuel into an applicable
container.
B. Centrifugal Fuel Booster Pump
Installation
(Ref. Figure 403)
NOTE: This task is typical for left and right
centrifugal fuel booster pump installation.
Consumable Materials
(Ref. CSP−SPM)
Item Nomenclature
C109 Grease
C702 Lockwire
C303 Finish Enamel, Black
(1). Prepare fuel booster pump attach
surface for electrical bond (Ref. CSP-
SPM).
Finish Enamel, Black (C303)
(2). Paint alignment stripe on fuel booster
pump at same location as removed
pump, use black finish enamel (C303).
Grease (C109)
(3). Lubricate packing with grease (C109)
and install on fuel booster pump.
Do not touch or damage red um
brella shaped check valve on top
of fuel booster pump. Fuel booster pump
failure can occur.
(4). S/N 0008-0032 -Carefully install fuel
booster pump, align stripe. Install bolts
and washers, install bolt (7) adjacent to
bleeder/drain plug. Torque bolts.
(5). S/N 0033-SUBS - Install fuel booster
pump as follows:
(a). Make sure laminated shim has a
thickness of 0.056-0.057 in.
(1.422-1.448 mm).
(b). Install laminated shim, fuel booster
pump, support ring, bolts and
washers, install bolt (21) adjacent to
bleeder/drain plug. Torque bolts.
(6). Lubricate packing with grease (C109)
and install on bleeder/drain plug (12).
(7). Install bleeder/drain plug. Torque plug
280-305 in-lb (31.6-34.5 Nwm) and
safety to bolt, use lockwire (C702).
(8). Lubricate packing with grease (C109)
and install on bleeder/drain plug (14).
(9). Install bleeder/drain plug. Torque plug
95-105 in-lb (10.7-11.9 Nwm) and
safety to bolt, use lockwire (C702).
Do not tighten screws too much.
(10). Connect wire harness as follows:
CAUTION
CAUTION
CAUTION